Question

If 3x-4y=16 and xy=4,find the value of 9x^2+16y^2

Answer 1

Answer:

the answer for your question is 352.

Step-by-step explanation:

simply square the given equation

(3x-4y)^2=256

9x^2+16y^2-24xy=256

and w.k.t. xy=4

so, 9x^2+16y^2=352